By default, Excel shows document tooltips (or screentips) when you hover on a button, but this option can be turned off.
When you need as much space as possible on the screen to view a document, you can collapse (or minimize) the Ribbon and then restore it very simple.
You can edit data in cells this in several ways:
There are several operators that could be used in formulas.
If you simply need to perform a calculation, you can use the Formula bar as a calculator.
Formulas can refer to cells in other worksheets-and the worksheets don't even have to be in the same workbook. Excel uses a special type of notation to handle these types of references.
You can enter nonrelative references (absolute or mixed) manually by inserting dollar signs in the appropriate positions, or you can use a handy shortcut - F4 key.
You can use "Copy" (Ctrl+C) and "Paste" (Ctrl+V) options, but there is faster way to "copy" a formula to multiple adjacent cells.
This tip describes how to use fractions simply.